/* ========================================
   SMS Compass Landing Page Styles
   ======================================== */

/* CSS Variables */
:root {
    --color-dark-blue: #1e3a5f;
    --color-light-blue: #4a90c2;
    --color-light-blue-hover: #3a7db0;
    --color-white: #ffffff;
    --color-off-white: #f8fafc;
    --color-text: #1f2937;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-light-blue) 0%, var(--color-dark-blue) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-full {
    width: 100%;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    padding: 16px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-dark-blue);
}

.logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-cta {
    background: var(--color-dark-blue);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--color-light-blue);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-dark-blue) 0%, #2d5a87 50%, var(--color-light-blue) 100%);
    padding: 160px 0 120px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(74, 144, 194, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--color-white);
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    position: relative;
    width: 420px;
    height: 420px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.graphic-shield {
    width: 280px;
    height: 280px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

.graphic-shield img {
    width: 200px;
    height: 200px;
    filter: brightness(0) invert(1);
    opacity: 0.95;
}

.graphic-orbit {
    position: absolute;
    width: 100%;
    height: 100%;
    animation: spin 20s linear infinite;
}

.orbit-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-light-blue);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(74, 144, 194, 0.5);
}

.orbit-dot:nth-child(1) {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.orbit-dot:nth-child(2) {
    bottom: 20%;
    left: 10%;
}

.orbit-dot:nth-child(3) {
    bottom: 20%;
    right: 10%;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    overflow: hidden;
}

.hero-wave svg {
    width: 100%;
    height: 100%;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: 100px 0;
    background: var(--color-off-white);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-dark-blue);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--color-text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--color-white);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(74, 144, 194, 0.15) 0%, rgba(30, 58, 95, 0.1) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--color-light-blue);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-dark-blue);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 100px 0;
    background: var(--color-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-dark-blue);
    margin-bottom: 20px;
    line-height: 1.2;
}

.contact-info > p {
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--color-text);
}

.contact-benefits svg {
    color: var(--color-light-blue);
    flex-shrink: 0;
}

.contact-form-wrapper {
    background: var(--color-off-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-dark-blue);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 16px;
    color: var(--color-text);
    background: var(--color-white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-light-blue);
    box-shadow: 0 0 0 3px rgba(74, 144, 194, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    text-align: center;
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: -8px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-dark-blue);
    padding: 60px 0;
    color: var(--color-white);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-brand img {
    width: 48px;
    height: 48px;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-tagline {
    font-size: 16px;
    opacity: 0.8;
    margin-bottom: 24px;
}

.footer-copyright {
    font-size: 14px;
    opacity: 0.6;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 40px;
    }
    
    .hero-container {
        gap: 40px;
    }
    
    .hero-graphic {
        width: 340px;
        height: 340px;
    }
    
    .graphic-shield {
        width: 220px;
        height: 220px;
    }
    
    .graphic-shield img {
        width: 160px;
        height: 160px;
    }
}

@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-visual {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-info {
        text-align: center;
    }
    
    .contact-benefits {
        align-items: center;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 140px 0 100px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-header h2,
    .contact-info h2 {
        font-size: 28px;
    }
    
    .feature-card {
        padding: 28px;
    }
    
    .contact-form-wrapper {
        padding: 28px;
    }
    
    .logo span {
        display: none;
    }
    
    .footer-brand span {
        font-size: 20px;
    }
}

/* ========================================
   Form States
   ======================================== */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success h3 {
    font-size: 24px;
    color: var(--color-dark-blue);
    margin-bottom: 12px;
}

.form-success p {
    color: var(--color-text-muted);
}

.form-success .success-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(74, 144, 194, 0.2) 0%, rgba(30, 58, 95, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--color-light-blue);
}

/* Loading state for button */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spinner 0.8s linear infinite;
}

@keyframes spinner {
    to { transform: rotate(360deg); }
}